<template>
  <div>
    <!--------------------------------------面包屑导航区域------------------------------------>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!------------------------------------卡片视图区域------------------------------------------>
    <el-card class="box-card">
      <!------------搜索与添加区域,el-row->gutter="20":间隔为20,el-col->span="8":长度为8------------>
      <el-row :gutter="20">
        <el-col :span="8">
          <!-- 搜索 clearable:清空数据，@clear:查询数据-->
          <el-input
            placeholder="请输入内容"
            v-model="queryInfo.query"
            clearable
            @clear="getUserList"
          >
            <el-button
              slot="append"
              icon="el-icon-search"
              @click="getUserList"
            ></el-button> </el-input
        ></el-col>
        <!--------------------------- 添加用户 -------------------------------->
        <el-col :span="4"
          ><el-button type="primary" @click="addDialogVisible = true"
            >添加用户</el-button
          >
        </el-col>
        <!-- 添加用户对话框 -->
        <el-dialog
          title="添加用户"
          :visible.sync="addDialogVisible"
          width="50%"
          @close="addDialogClosed"
        >
          <!-- 添加用户内容底部区域 -->
          <el-form
            :model="addUserForm"
            :rules="addUserFormRules"
            ref="addUserFormRef"
            label-width="70px"
          >
            <el-form-item label="用户名" prop="username">
              <el-input v-model="addUserForm.username"></el-input>
            </el-form-item>
            <el-form-item label="密码" type="password" prop="password">
              <el-input v-model="addUserForm.password"></el-input>
            </el-form-item>
            <el-form-item label="邮箱" prop="email">
              <el-input v-model="addUserForm.email"></el-input>
            </el-form-item>
            <el-form-item label="手机" prop="mobile">
              <el-input v-model="addUserForm.mobile"></el-input> </el-form-item
          ></el-form>
          <span slot="footer" class="dialog-footer">
            <el-button @click="addDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="addUser">确 定</el-button>
          </span>
        </el-dialog>
      </el-row>
      <!--------------------------------------------- 用户列表区域 ----------------------------------------->
      <el-table :data="userList" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-tableColumn label="姓名" prop="username"></el-tableColumn>
        <el-tableColumn label="邮箱" prop="email"></el-tableColumn>
        <el-tableColumn label="电话" prop="mobile"></el-tableColumn>
        <el-tableColumn label="角色" prop="role_name"></el-tableColumn>
        <el-tableColumn label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChange(scope.row)"
            ></el-switch>
          </template>
        </el-tableColumn>

        <el-tableColumn label="操作" width="180px">
          <!-------------------------------- 修改用户按钮 ---------------------------------->
          <template slot-scope="scope">
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="showEditDialog(scope.row.id)"
            ></el-button>

            <!------------------------------- 删除用户按钮 ------------------------------>
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeUserById(scope.row.id)"
            ></el-button>
            <!---------------分配角色按钮,tooltip:提示框,enterable:自动隐藏 -------------->
            <el-tooltip
              class="item"
              effect="dark"
              content="分配角色"
              placement="top"
              enterable
            >
              <el-button
                type="warning"
                icon="el-icon-setting"
                size="mini"
              ></el-button>
            </el-tooltip>
          </template>
        </el-tableColumn>
      </el-table>
      <!--分页区域-->
      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 5, 10, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total"
      >
      </el-pagination>
    </el-card>
    <!--------------------------- 修改用户的对话框 ------------------------------->
    <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%">
      <el-form
        ref="editUserFormRef"
        :model="editUserForm"
        :rules="editUserFormRules"
        label-width="70px"
        @close="editDialogClosed"
      >
        <el-form-item label="用户名">
          <el-input v-model="editUserForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="editUserForm.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="editUserForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data() {
    // 验证添加用户邮箱的规则
    const checkEmail = (rule, value, cb) => {
      // 验证邮箱的正则表达式
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法的邮箱'))
    }
    // 验证添加用户手机的规则
    const checkMoblie = (rule, value, cb) => {
      // 验证手机的正则表达式
      const regMobile =
        /^(13[0-9]|14[579]|15[0-3,5-9]|16[6]|17[0135678]|18[0-9]|19[89])\d{8}$/
      if (regMobile.test(value)) {
        return cb()
      }
      cb(new Error('请输入合法的手机号码'))
    }
    return {
      // 定义获取用户列表参数（queryInfo），query:查询，pagenum:当前页数，pagesize:当前每页显示多少条数据
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 1,
      },
      // 获取用户列表数据,存放到userList中,查询条数放到total中
      userList: [],
      total: 0,
      // 控制添加用户对话框的显示与隐藏
      addDialogVisible: false,
      // 添加用户的表单数据
      addUserForm: {
        username: '',
        password: '',
        email: '',
        mobile: '',
      },

      // 添加用户的表单规则
      addUserFormRules: {
        username: [
          { required: true, message: '请输入合法的用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名的长度在3-10个字符之间',
            trigger: 'blur',
          },
        ],
        password: [
          { required: true, message: '请输入合法的密码', trigger: 'blur' },
          {
            min: 6,
            max: 15,
            message: '密码的长度在6-15个字符之间',
            trigger: 'blur',
          },
        ],
        email: [
          { required: true, message: '请输入合法的邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' },
        ],
        mobile: [
          { required: true, message: '请输入合法的手机号码', trigger: 'blur' },
          { validator: checkMoblie, trigger: 'blur' },
        ],
      },
      // 控制修改用户对话框的显示与隐藏
      editDialogVisible: false,
      // 修改用户的表单数据
      editUserForm: {},
      // 修改表单的验证规则对象
      editUserFormRules: {
        email: [
          { required: true, message: '请输入合法的邮箱', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' },
        ],
        mobile: [
          { required: true, message: '请输入合法的手机号码', trigger: 'blur' },
          { validator: checkMoblie, trigger: 'blur' },
        ],
      },
    }
  },
  created() {
    this.getUserList()
  },
  methods: {
    // 获取用户列表数据（getUserList）
    async getUserList() {
      const { data: res } = await this.$http.get('users', {
        params: this.queryInfo,
      })
      if (res.meta.status !== 200) return this.$message.error('数据获取失败')
      this.userList = res.data.users
      this.total = res.data.total
      console.log(res)
    },
    // 监听pageSize改变的事件
    handleSizeChange(newSize) {
      console.log(newSize)
      this.queryInfo.pagesize = newSize
      this.getUserList()
    },
    // 监听page页码值改变的事件
    handleCurrentChange(newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听switch开头状态的改变
    async userStateChange(userInfor) {
      console.log(userInfor)
      const { data: res } = await this.$http.put(
        `users/${userInfor.id}/state/${userInfor.mg_state}`
      )
      if (res.meta.status !== 200) {
        userInfor.mg_state = !userInfor.mg_state
        return this.$message.error('更新用户失败！')
      }
      this.$message.success('更新用户成功！')
    },
    // 监听添加用户对话框的:close关闭事件,清除数据(resetFields)
    addDialogClosed() {
      this.$refs.addUserFormRef.resetFields()
    },
    // 点击添加按钮，添加用户,validate(预校验)
    addUser() {
      this.$refs.addUserFormRef.validate(async (valid) => {
        if (!valid) return
        // 成功后向api发出添加用户的网络请求
        const { data: res } = await this.$http.post('users', this.addUserForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败!')
        }
        this.$message.success('添加用户成功!')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获取用户列表
        this.getUserList()
      })
    },
    // 展示编辑用户数据的对话框
    async showEditDialog(id) {
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) return this.$message.error('查询失败！')
      this.editDialogVisible = true
      this.editUserForm = res.data
    },
    // 监听修改用户对话框关闭事件,resetFields重置数据
    editDialogClosed() {
      this.$refs.editUserFormRef.resetFields()
    },
    // 修改用户信息并发出请求
    editUserInfo() {
      this.$refs.editUserFormRef.validate(async (valid) => {
        if (!valid) return
        // 发出修改用户信息的数据请求
        const { data: res } = await this.$http.put(
          'users/' + this.editUserForm.id,
          { email: this.editUserForm.email, mobile: this.editUserForm.mobile }
        )
        if (res.meta.status !== 200) {
          return this.$message.error('更新用户信息失败！')
        }
        // 关闭修改信息对话框
        this.editDialogVisible = false
        // 刷新数据列表
        this.getUserList()
        // 提示修改成功
        this.$message.success('更新用户信息成功！')
      })
    },
    // 根据Id删除用户
    async removeUserById(id) {
      const confirmRes = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning',
        }
      ).catch((err) => err)
      // 如果用户确认删除，返回confirm
      // 如果用户取消删除，返回cancel
      if (confirmRes !== 'confirm') {
        return this.$message.info('已取消删除')
      }
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败！')
      }
      this.$message.success('删除用户成功！')
      this.getUserList()
    },
  },
}
</script>

<style lang="less" scoped></style>

